Hey let me add to that- I have 'Power of Now' on my desk and I first stumbled across it when I read Decibel's excellent Introductory PUA guide (free ebook)
And yes, as said in previous posts, just immerse in the moment . If you think about it, thats what Mystery's 3 second rule is about. To hell with worrying about transitions and rejections - accept them as part of the learning process and embrace them as learning opportunities. ..so yes - feel the pain and do it anyway...